prime meridian

简明释义

本初子午线

英英释义

例句

1.When traveling east or west of the prime meridian 本初子午线, you need to adjust your time accordingly.

当你在本初子午线的东或西旅行时，需要相应地调整你的时间。

2.Maps often use the prime meridian 本初子午线 as a baseline for measuring distances.

地图通常使用本初子午线作为测量距离的基准。

3.The prime meridian 本初子午线 is the reference line for determining longitude.

本初子午线是确定经度的参考线。

4.London is famously located on the prime meridian 本初子午线 at Greenwich.

伦敦因位于格林威治的本初子午线而闻名。

5.The concept of the prime meridian 本初子午线 was established in 1884 during the International Meridian Conference.

本初子午线的概念是在1884年的国际子午线会议上确立的。

作文

The concept of the prime meridian is fundamental to our understanding of geography and navigation. The prime meridian, defined as 0 degrees longitude, serves as the starting point for measuring longitude across the globe. It runs through Greenwich, London, and has been internationally recognized since the late 19th century. This imaginary line divides the Earth into the Eastern and Western Hemispheres, playing a crucial role in global mapping and timekeeping. Without the prime meridian, the system of coordinates that allows us to pinpoint locations on a map would be chaotic and confusing.Historically, the establishment of the prime meridian was not without controversy. Before its adoption, various nations used their own meridians, leading to discrepancies in navigation and cartography. The International Meridian Conference held in 1884 was a pivotal moment, where delegates from 25 countries gathered to decide on a standard meridian. The choice of Greenwich was influenced by its prominence in maritime navigation and the fact that a majority of the world’s shipping routes were already using it as a reference point.The significance of the prime meridian extends beyond mere geography; it also impacts timekeeping. The concept of Greenwich Mean Time (GMT) is directly linked to the prime meridian. GMT is the mean solar time at the prime meridian and serves as a global time standard. As the Earth rotates, different longitudinal lines experience daylight and darkness at different times. By using GMT, we can coordinate activities across different time zones, ensuring that people in various parts of the world can communicate and collaborate effectively.In addition to its practical applications, the prime meridian holds cultural significance. It represents a point of unity in a world often divided by borders and differences. When standing on the prime meridian in Greenwich, one can literally be in two hemispheres at once, symbolizing the interconnectedness of our planet. Tourists flock to the Royal Observatory in Greenwich to stand on this historic line, taking photos that capture their moment straddling the East and West.In conclusion, the prime meridian is more than just a line on a map; it is a vital reference point that influences navigation, timekeeping, and our understanding of the world. Its establishment marked a significant advancement in cartography, promoting international cooperation and standardization. As we continue to navigate our increasingly globalized society, the prime meridian remains a reminder of our shared geography and the importance of unity in diversity.

“本初子午线”的概念对于我们理解地理和导航至关重要。“本初子午线”，定义为0度经度，是测量全球经度的起点。它穿过伦敦格林威治，自19世纪末以来已被国际公认。这条虚拟线将地球分为东西半球，在全球制图和时间计算中发挥着关键作用。如果没有“本初子午线”，允许我们在地图上精确定位的坐标系统将会混乱而令人困惑。历史上，“本初子午线”的建立并非没有争议。在其采用之前，各个国家使用自己的子午线，导致导航和制图出现差异。1884年召开的国际子午线会议是一个关键时刻，来自25个国家的代表聚集在一起决定标准子午线。选择格林威治受到其在海洋导航中的重要性影响，事实上，大多数世界航运路线已经将其作为参考点。“本初子午线”的重要性超越了单纯的地理，它还影响着时间计算。格林威治标准时间（GMT）的概念与“本初子午线”直接相关。GMT是“本初子午线”处的平均太阳时间，并作为全球时间标准。随着地球的自转，不同的经线在不同的时间经历白昼和黑暗。通过使用GMT，我们可以协调不同时间区之间的活动，确保世界各地的人们能够有效沟通与合作。除了其实用应用，“本初子午线”还具有文化意义。它代表了一个在常常被边界和差异分割的世界中的团结点。当站在格林威治的“本初子午线”上时，人们可以字面上同时处于两个半球，象征着我们星球的相互关联。游客们涌向格林威治皇家天文台，站在这条历史悠久的线上，拍摄照片，记录他们跨越东西方的瞬间。总之，“本初子午线”不仅仅是地图上的一条线；它是一个重要的参考点，影响着导航、时间计算和我们对世界的理解。它的建立标志着制图学的重要进步，促进了国际合作和标准化。随着我们继续在日益全球化的社会中航行，“本初子午线”仍然提醒着我们共享的地理和多样性中团结的重要性。